2021144405

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{201209}}^1$

素因数の和:201269

約数の個数: 24

約数和(自身を含む): 2890180440

約数和(自身を除く): 869036035

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 10045, 201209, 1006045, 1408463, 7042315, 8249569, 9859241, 41247845, 49296205, 57746983, 288734915, 404228881, 2021144405]

約数ペア:

[(1, 2021144405), (5, 404228881), (7, 288734915), (35, 57746983), (41, 49296205), (49, 41247845), (205, 9859241), (245, 8249569), (287, 7042315), (1435, 1408463), (2009, 1006045), (10045, 201209)]